/Engine/Source/Runtime/GeometryCore/Public/MeshAdapter.h
void GetTriVertices ( int32 TriIndex, [UE::Math::TVector](API\Runtime\Core\Math\TVector)< OutRealType > & V0, [UE::Math::TVector](API\Runtime\Core\Math\TVector)< OutRealType > & V1, [UE::Math::TVector](API\Runtime\Core\Math\TVector)< OutRealType > & V2 ) const